# name (grassedww\.str)

The name of the grassed waterway record is a primary key referenced by [grww](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/grww) in [**landuse.lum**](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum). All names in the **grassedww\.str** file must be unique.